{"product_id":"1kg-sterile-rye-grain-mushroom-spawn","title":"1kg Sterile Rye Grain for Mushroom Spawn, Ready to Inoculate","description":"\u003cp data-start=\"133\" data-end=\"464\"\u003e\u003cstrong data-start=\"133\" data-end=\"177\"\u003e1kg Sterile Rye Grain for Mushroom Spawn\u003c\/strong\u003e is a ready to inoculate grain medium prepared for reliable gourmet and functional mushroom cultivation. Made using high quality whole rye grain, each bag is properly hydrated, pressure sterilised, and sealed in a filter patch grow bag so it arrives ready to use straight out of the box.\u003c\/p\u003e\n\u003cp data-start=\"466\" data-end=\"700\"\u003eRye grain is one of the most popular grain spawn options used by mushroom growers because it offers an excellent balance of moisture retention, nutrient availability, and strong inoculation points for fast, even mycelium colonisation.\u003c\/p\u003e\n\u003cp data-start=\"702\" data-end=\"985\"\u003eThis sterile rye grain bag is ideal for inoculating with \u003cstrong data-start=\"759\" data-end=\"777\"\u003eliquid culture\u003c\/strong\u003e, \u003cstrong data-start=\"779\" data-end=\"794\"\u003eagar wedges\u003c\/strong\u003e, or \u003cstrong data-start=\"799\" data-end=\"824\"\u003ecolonised grain spawn\u003c\/strong\u003e before expanding into a suitable bulk mushroom substrate such as Master’s Mix, hardwood sawdust, straw blends, or other species appropriate fruiting substrates.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1qdstas\" data-start=\"987\" data-end=\"1022\"\u003e🔥 Why Choose Sterile Rye Grain?\u003c\/h2\u003e\n\u003cp data-start=\"1024\" data-end=\"1163\"\u003e\u003cstrong data-start=\"1024\" data-end=\"1046\"\u003eReady to inoculate\u003c\/strong\u003e\u003cbr data-start=\"1046\" data-end=\"1049\"\u003ePrepared, hydrated, sterilised, and sealed so you can inoculate the bag without needing to prepare grain yourself.\u003c\/p\u003e\n\u003cp data-start=\"1165\" data-end=\"1305\"\u003e\u003cstrong data-start=\"1165\" data-end=\"1197\"\u003eProfessional grade rye grain\u003c\/strong\u003e\u003cbr data-start=\"1197\" data-end=\"1200\"\u003eMade using high quality whole rye grain, a trusted grain medium used by experienced mushroom cultivators.\u003c\/p\u003e\n\u003cp data-start=\"1307\" data-end=\"1428\"\u003e\u003cstrong data-start=\"1307\" data-end=\"1336\"\u003eExcellent mycelium growth\u003c\/strong\u003e\u003cbr data-start=\"1336\" data-end=\"1339\"\u003eRye provides a nutritious food source that supports fast, vigorous mycelial colonisation.\u003c\/p\u003e\n\u003cp data-start=\"1430\" data-end=\"1572\"\u003e\u003cstrong data-start=\"1430\" data-end=\"1459\"\u003eStrong inoculation points\u003c\/strong\u003e\u003cbr data-start=\"1459\" data-end=\"1462\"\u003eThe individual grains create many separate inoculation points, helping mycelium spread evenly through the bag.\u003c\/p\u003e\n\u003cp data-start=\"1574\" data-end=\"1731\"\u003e\u003cstrong data-start=\"1574\" data-end=\"1609\"\u003eBalanced moisture and structure\u003c\/strong\u003e\u003cbr data-start=\"1609\" data-end=\"1612\"\u003eProperly hydrated rye grain gives the mycelium the moisture, nutrition, and structure it needs to colonise efficiently.\u003c\/p\u003e\n\u003cp data-start=\"1733\" data-end=\"1859\"\u003e\u003cstrong data-start=\"1733\" data-end=\"1758\"\u003eFilter patch grow bag\u003c\/strong\u003e\u003cbr data-start=\"1758\" data-end=\"1761\"\u003eSealed in a filter patch bag to allow gas exchange while helping protect the sterile grain inside.\u003c\/p\u003e\n\u003cp data-start=\"1861\" data-end=\"2024\"\u003e\u003cstrong data-start=\"1861\" data-end=\"1903\"\u003eIdeal for gourmet mushroom cultivation\u003c\/strong\u003e\u003cbr data-start=\"1903\" data-end=\"1906\"\u003eSuitable for many gourmet and functional mushroom species when paired with the correct culture and fruiting substrate.\u003c\/p\u003e\n\u003ch2 data-section-id=\"jbla7u\" data-start=\"2026\" data-end=\"2062\"\u003e🧪 Prepared in Our UK Sterile Lab\u003c\/h2\u003e\n\u003cp data-start=\"2064\" data-end=\"2201\"\u003eAll \u003cstrong data-start=\"2068\" data-end=\"2098\"\u003e1kg sterile rye grain bags\u003c\/strong\u003e are prepared in small batches in our UK sterile lab, with consistency and cleanliness as the priority.\u003c\/p\u003e\n\u003cp data-start=\"2203\" data-end=\"2443\"\u003eEach batch is hydrated, loaded, pressure sterilised, and sealed to create a clean, reliable grain medium for mushroom growers. The result is a professional grade rye grain bag that is ready for inoculation with your chosen mushroom culture.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1hhq8tr\" data-start=\"2445\" data-end=\"2483\"\u003e🧬 How to Use 1kg Sterile Rye Grain\u003c\/h2\u003e\n\u003cp data-start=\"2485\" data-end=\"2624\"\u003eThis sterile rye grain bag is designed to be inoculated with your chosen mushroom culture, then used to create fully colonised grain spawn.\u003c\/p\u003e\n\u003cp data-start=\"2626\" data-end=\"2650\"\u003eYou can inoculate using:\u003c\/p\u003e\n\u003cp data-start=\"2652\" data-end=\"2747\"\u003e\u003cstrong data-start=\"2652\" data-end=\"2678\"\u003eLiquid culture syringe\u003c\/strong\u003e\u003cbr data-start=\"2678\" data-end=\"2681\"\u003eInject liquid culture directly into the bag using clean technique.\u003c\/p\u003e\n\u003cp data-start=\"2749\" data-end=\"2855\"\u003e\u003cstrong data-start=\"2749\" data-end=\"2765\"\u003eAgar culture\u003c\/strong\u003e\u003cbr data-start=\"2765\" data-end=\"2768\"\u003eTransfer a clean agar wedge into the bag in a still air box or in front of a flow hood.\u003c\/p\u003e\n\u003cp data-start=\"2857\" data-end=\"2976\"\u003e\u003cstrong data-start=\"2857\" data-end=\"2882\"\u003eColonised grain spawn\u003c\/strong\u003e\u003cbr data-start=\"2882\" data-end=\"2885\"\u003eUse a small amount of healthy colonised grain to expand into a larger batch of grain spawn.\u003c\/p\u003e\n\u003cp data-start=\"2978\" data-end=\"3118\"\u003eOnce fully colonised, the rye grain can be mixed into a suitable bulk substrate for fruiting, depending on the mushroom species being grown.\u003c\/p\u003e\n\u003ch2 data-section-id=\"12iz5xh\" data-start=\"3120\" data-end=\"3145\"\u003e📦 What You’ll Receive\u003c\/h2\u003e\n\u003cp data-start=\"3147\" data-end=\"3227\"\u003e\u003cstrong data-start=\"3147\" data-end=\"3180\"\u003e1 x 1kg Sterile Rye Grain Bag\u003c\/strong\u003e\u003cbr data-start=\"3180\" data-end=\"3183\"\u003ePrepared using high quality whole rye grain.\u003c\/p\u003e\n\u003cp data-start=\"3229\" data-end=\"3317\"\u003e\u003cstrong data-start=\"3229\" data-end=\"3265\"\u003ePressure sterilised grain medium\u003c\/strong\u003e\u003cbr data-start=\"3265\" data-end=\"3268\"\u003eHydrated and sterilised for mushroom cultivation.\u003c\/p\u003e\n\u003cp data-start=\"3319\" data-end=\"3393\"\u003e\u003cstrong data-start=\"3319\" data-end=\"3344\"\u003eFilter patch grow bag\u003c\/strong\u003e\u003cbr data-start=\"3344\" data-end=\"3347\"\u003eDesigned for gas exchange during colonisation.\u003c\/p\u003e\n\u003cp data-start=\"3395\" data-end=\"3467\"\u003e\u003cstrong data-start=\"3395\" data-end=\"3417\"\u003eReady to inoculate\u003c\/strong\u003e\u003cbr data-start=\"3417\" data-end=\"3420\"\u003eNo soaking, simmering, or sterilising required.\u003c\/p\u003e\n\u003cp data-start=\"3469\" data-end=\"3573\"\u003e\u003cstrong data-start=\"3469\" data-end=\"3509\"\u003eThe Mushroom Lab sterility guarantee\u003c\/strong\u003e\u003cbr data-start=\"3509\" data-end=\"3512\"\u003eYour sterile grain is protected by our replacement guarantee.\u003c\/p\u003e\n\u003ch2 data-section-id=\"c2zqdr\" data-start=\"3575\" data-end=\"3596\"\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cp data-start=\"3598\" data-end=\"3776\"\u003e\u003cstrong data-start=\"3598\" data-end=\"3652\"\u003eThis is sterile grain, not already colonised spawn\u003c\/strong\u003e\u003cbr data-start=\"3652\" data-end=\"3655\"\u003eThis product is ready to inoculate, meaning it does not contain live mushroom mycelium until you add your chosen culture.\u003c\/p\u003e\n\u003cp data-start=\"3778\" data-end=\"3928\"\u003e\u003cstrong data-start=\"3778\" data-end=\"3801\"\u003eUse clean technique\u003c\/strong\u003e\u003cbr data-start=\"3801\" data-end=\"3804\"\u003eSterile grain must be handled carefully. Always inoculate in the cleanest environment possible to reduce contamination risk.\u003c\/p\u003e\n\u003cp data-start=\"3930\" data-end=\"4149\"\u003e\u003cstrong data-start=\"3930\" data-end=\"3959\"\u003eSpecies selection matters\u003c\/strong\u003e\u003cbr data-start=\"3959\" data-end=\"3962\"\u003eDifferent mushroom species require different fruiting substrates after grain colonisation. Rye grain is used to create spawn, but final fruiting conditions depend on the culture selected.\u003c\/p\u003e\n\u003cp data-start=\"4151\" data-end=\"4298\"\u003e\u003cstrong data-start=\"4151\" data-end=\"4192\"\u003eBest used with liquid culture or agar\u003c\/strong\u003e\u003cbr data-start=\"4192\" data-end=\"4195\"\u003eFor easiest use, pair this sterile rye grain bag with one of our 10ml mushroom liquid culture syringes.\u003c\/p\u003e\n\u003ch2 data-section-id=\"eagghp\" data-start=\"4300\" data-end=\"4326\"\u003e🛡️ Sterility Guarantee\u003c\/h2\u003e\n\u003cp data-start=\"4328\" data-end=\"4448\"\u003eIf your \u003cstrong data-start=\"4336\" data-end=\"4365\"\u003e1kg Sterile Rye Grain Bag\u003c\/strong\u003e arrives contaminated or compromised before use, we will replace it free of charge.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1w62oxs\" data-start=\"4450\" data-end=\"4472\"\u003e🚚 Fast UK Delivery\u003c\/h2\u003e\n\u003cp data-start=\"4474\" data-end=\"4602\"\u003eAll sterile rye grain bags are prepared and shipped from our UK sterile lab and typically arrive within \u003cstrong data-start=\"4578\" data-end=\"4601\"\u003e1 to 3 working days\u003c\/strong\u003e.\u003c\/p\u003e","brand":"The Mushroom Lab","offers":[{"title":"Default Title","offer_id":52387377217883,"sku":null,"price":16.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7108\/7451\/files\/FREE_UK_SHIPPING_31_8df4f149-9018-497a-b314-5f836cd93a38.jpg?v=1771185617","url":"https:\/\/themushroomlab.co.uk\/products\/1kg-sterile-rye-grain-mushroom-spawn","provider":"The Mushroom Lab","version":"1.0","type":"link"}